Question

if x=2,y=-1 then the value of x²+4xy+4y²is​

Answer 1

Answer:

16

Step-by-step explanation:

2²+4*2*1+4*1²

4+8+4

8+8

16

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Answer 2

Answer:

• given - X = 2

Y = (-1)

• To find - value of x^2 + 4xy + 4y^2

• Solution -

putting value of x= 2 and y = (-1) in the equation

(2)^2 + 4(2)(-1) + 4(-1)^2

4 - 8 + 4

4 + 4 - 8

8- 8

0

ADDITIONAL INFORMATION

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• Any value of variable through which the equation is zero is called its zero.

• in above equation, 2 and (-1) is zero of the equation.

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